Will this fuel injector fit my vehicle?

This injector is verified compatible with: 1995 Nissan Pickup; 1994 Nissan D21; 1993 Nissan D21; 1992 Nissan D21; 1991 Nissan D21; 1990 Nissan D21. Always cross-reference your OEM part number for guaranteed fit.

What warranty comes with this injector?

Every Aurus fuel injector ships with our Lifetime Warranty covering manufacturing defects, flow rate issues, electrical failures, and internal component failure. Replacement is hassle-free with order number.

How fast does this ship?

In-stock injectors ship same-day from our Long Beach, California facility for orders placed before 3PM PST. Standard delivery is 3–5 business days within the continental US. Free shipping on all orders.

Is this OEM or aftermarket?

This is a genuine OEM HITACHI/JECS fuel injector, professionally remanufactured to factory specifications. Same brand as your original equipment.

ORIGINAL HITACHIBench-Tested by Aurus · Certificate Included

HITACHI/JECS

Hitachi OEM Set of 4 Fuel Injectors · JS21-1 · with Test Report · 1990-1995 Nissan D21 Pickup 2.4L I4

Name: Hitachi OEM Set of 4 Fuel Injectors · JS21-1 · with Test Report · 1990-1995 Nissan D21 Pickup 2.4L I4
Brand: HITACHI/JECS
SKU: JS21-1 x4 TR remanufactured
Price: 191.99 USD
Availability: InStock
Rating: 4.9 (50 reviews)

VERIFIED FITMENT

Nissan PickupNissan D21

$191.99

Get it in 3–5 days·Faster options at checkout

Part Numbers

OEM / Manufacturer Part Number

JS21-1

Other Part Numbers

842-12207, 16600-86G00

Hitachi OEM Set of 4 Fuel Injectors · JS21-1 · with Test Report · 1990-1995 Nissan D21 Pickup 2.4L I4 — view 1

ORIGINAL HITACHIBench-Tested by Aurus · Certificate Included

HITACHI/JECS

VERIFIED FITMENT

Plug-and-play installation

Nissan Pickup 1995 2.4LNissan D21 1994 2.4LNissan D21 1993 2.4LNissan D21 1992 2.4L+2 more vehicles

SKU: JS21-1 x4 TR remanufactured

✓

With Independent Test Report

Every injector in this set is bench-tested at rated PSI on calibrated Bosch lab equipment. A serialized Test Report Certificate is included in the box.

✓ Flow rate cc/min✓ Pulsed idle 800 RPM✓ Pulsed cruise 2,500 RPM✓ Leak test✓ Spray pattern

OEM-Level Engineered Product

Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty

✓Set of 4 bench-tested fuel injectors
✓Serialized Test Report Certificate included
✓Variance ≤2% across the set
✓Leak + spray pattern verified per injector
✓Lifetime Warranty + Free US shipping

Part Numbers

OEM / Manufacturer Part Number

JS21-1

Other Part Numbers

842-12207, 16600-86G00

$191.99

Get it in 3–5 days·Faster options at checkout

LifetimeWarranty

30-DayReturns

Same / Next-DayShipping

Fitment

1990–1994Nissan D212.4L
1995Nissan Pickup2.4L

2 vehicle fitments

Part Numbers

OEM / Manufacturer Part Number

JS21-1

Other Part Numbers

842-12207, 16600-86G00

Item Specifics

Manufacturer Part Number	JS21-1
Injectors per set	4 pieces
Brand	Hitachi/Jecs
Interchange Part Number	842-12207
Manufacturer Warranty	Lifetime
OE/OEM Part Number	JS21-1
Manufacturer	Hitachi/Jecs
Other part numbers	16600-86G00
Country of Origin	United States
Fitment	1995 Nissan Pickup 2.4L I4, 1990 1991 1992 1993 1994 Nissan D21 2.4L I4

Description

This is a premium tier set. Each injector is bench-tested at rated PSI on calibrated Bosch equipment in our facility.

This is manufactured by us using Hitachi/Jecs components.

Each unit ships with a serialized Test Report Certificate inside the box.

Each unit will be professionally tested before leaving our facility. The Test Report Certificate will be included in the box and emailed to you.

What You Get

✓ Bench-tested on calibrated Bosch lab equipment
✓ Serialized Test Report Certificate (flow rate, leak test, spray pattern)
✓ Lifetime Warranty
✓ Free shipping (US)
✓ Certificate emailed AND included in the box
✓ View Sample Report

Warranty

Lifetime Warranty

All AURUS fuel injectors are backed by a Lifetime Warranty. If any injector fails under normal use, we will replace it free of charge — no questions asked.

What's Covered

Manufacturing defects, electrical failure, flow performance degradation, and leaks under normal operating conditions.

Not Covered

Physical damage, misuse, improper installation, or use with incompatible vehicles not listed in fitment.

Shipping & Returns

Free Same Day or Next Business Day Shipping

Orders placed before 3:00 PM PST ship the same business day.

USA Standard Delivery

3–7 business days

FREE

USA Priority Shipping

2–3 business days

$12.99

USA Overnight

Next business day

$49.99

30-Day Hassle-Free Returns or Replacements

Not satisfied? Return any unused item within 30 days for a full refund or replacement. Return shipping is on us for defective items.

100% Quality Assurance

Each Unit Tested Individually

Installation Guide Error Codes

Quality Assurance

Engineered for Exact Tolerances

OEM-level precision manufacturing and quality assurance

Remanufacturing

OEM core inspection
Full disassembly & cleaning
Component replacement
New OEM seals, O-rings, filters
Precision reassembly

Testing

Multi-stage flow testing
Spray pattern validation
Leak testing
Electrical response testing

Technical Standards

OEM specifications compliance
Flow-matched calibration
Pressure tolerance validation
Electrical response testing

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Not Sure If You Need This Part?

Common symptoms that point to a failing fuel injector. Read the diagnostic guides before you buy.

Bad Fuel Injector Symptoms Car Won't Start Rough Idle / Misfire Poor Fuel Economy Check Engine Light On Fuel Injector Problems

$191.99